Which bird can not fly?

Related questions

1. Is a swift The fastest bird?
2. Do Swifts have legs?
3. What animal is a swift?
4. How long bird can fly without stopping?
5. Is there a bird that never lands?
6. Which bird can fly for the longest?
7. Which is the smallest bird in India?
8. What's the difference between a swallow and a swift?
9. Which animal has loudest roar?
10. Why do swifts fly in circles?

Tags

1. #including
2. #inaccessible
3. #island
4. #ratites
5. #rheas
6. #species
7. #penguins
8. #flightless
9. #known
10. #there
11. #smallest
12. #weight
13. #birds
14. #ability
15. #evolution
16. #cassowaries
17. #through
18. #extant
19. #length
20. #ostriches